Esempio n. 1
0
        public void Open(DeviceRegister.DeviceIndex device, _BMDDisplayMode mode, _BMDVideoInputFlags flags)
        {
            if (Ready)
            {
                Close();
            }

            WorkerThread.Singleton.PerformBlocking(() =>
            {
                this.Lock.AcquireWriterLock(10000);
                try
                {
                    if (device == null)
                    {
                        throw (new Exception("No device selected"));
                    }

                    IDeckLink rawDevice = DeviceRegister.Singleton.GetDeviceHandle(device.Index);
                    FDevice             = rawDevice as IDeckLinkInput;
                    FMode  = mode;
                    FFlags = flags;

                    if (FDevice == null)
                    {
                        throw (new Exception("No input device connected"));
                    }

                    _BMDDisplayModeSupport displayModeSupported;

                    FDevice.DoesSupportVideoMode(FMode, FPixelFormat, flags, out displayModeSupported, out FDisplayMode);

                    Width  = FDisplayMode.GetWidth();
                    Height = FDisplayMode.GetHeight();

                    FDevice.EnableVideoInput(FMode, FPixelFormat, FFlags);
                    FDevice.SetCallback(this);
                    FDevice.StartStreams();

                    Reinitialise = true;
                    Ready        = true;
                    FreshData    = false;
                }
                catch (Exception e)
                {
                    Ready        = false;
                    Reinitialise = false;
                    FreshData    = false;
                    throw;
                }
                finally
                {
                    this.Lock.ReleaseWriterLock();
                }
            });
        }
Esempio n. 2
0
        public void Open(DeviceRegister.DeviceIndex device, _BMDDisplayMode mode, _BMDVideoInputFlags flags)
        {
            if (Ready)
            {
                Close();
            }

            WorkerThread.Singleton.PerformBlocking(() =>
            {
                this.Lock.AcquireWriterLock(10000);
                try
                {
                    if (device == null)
                    {
                        throw (new Exception("No device selected"));
                    }

                    IDeckLink rawDevice = DeviceRegister.Singleton.GetDeviceHandle(device.Index);
                    FDevice             = rawDevice as IDeckLinkInput;
                    FOutDevice          = rawDevice as IDeckLinkOutput;
                    FMode      = mode;
                    FFlags     = flags;
                    FConverter = new CDeckLinkVideoConversion();

                    if (FDevice == null)
                    {
                        throw (new Exception("No input device connected"));
                    }

                    _BMDDisplayModeSupport displayModeSupported;

                    FDevice.DoesSupportVideoMode(FMode, FPixelFormat, flags, out displayModeSupported, out FDisplayMode);

                    Width  = FDisplayMode.GetWidth();
                    Height = FDisplayMode.GetHeight();

                    // inspiration http://dviz.googlecode.com/svn/trunk/src/livemix/CameraThread.cpp

                    FOutDevice.CreateVideoFrame(Width,
                                                Height,
                                                Width * 4,
                                                _BMDPixelFormat.bmdFormat8BitBGRA,
                                                _BMDFrameFlags.bmdFrameFlagDefault,
                                                out rgbFrame);

                    FDevice.EnableVideoInput(FMode, FPixelFormat, FFlags);
                    FDevice.SetCallback(this);
                    FDevice.StartStreams();

                    Reinitialise = true;
                    Ready        = true;
                    FreshData    = false;
                }
                catch (Exception e)
                {
                    Ready        = false;
                    Reinitialise = false;
                    FreshData    = false;
                    throw;
                }
                finally
                {
                    this.Lock.ReleaseWriterLock();
                }
            });
        }